| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2023 | 18 May 2023 | 000-12896 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2023 | 04 May 2023 | 000-12896 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2022 | 03 May 2022 | 000-12896 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2021 | 03 May 2021 | 000-12896 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2020 | 01 Apr 2020 | 000-12896 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Mar 2019 | 20 Mar 2019 | 000-12896 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2018 | 08 May 2018 | 000-12896 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Sep 2017 | 12 Sep 2017 | 000-12896 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Oct 2015 | 21 Oct 2015 | 000-12896 |